<!DOCTYPE html>
<html lang="ch">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <style>
        * {
            margin: 0;
            padding: 0;
        }

        html,
        body {
            height: 100%;
        }

        header,
        footer {
            height: 50px;
            line-height: 50px;
            text-align: center;
            background: orange;
            color: white;
        }

        section {
            height: calc(100% - 100px);
        }

        nav,
        aside {
            background: #ccc;
            width: 100px;
            height: 100%;
            float: left;
        }

        main {
            float: left;
            background: rebeccapurple;
            width: calc(100% - 200px);
            height: 100%;
        }
    </style>

</head>

<body>

    <header>
        header
    </header>

    <section>

        <!-- 左 -->
        <nav style="font-size: 10px; color: white;">
            <ul>
                <li>qqq</li>
                <li>wwww</li>
                <li>eeee</li>
            </ul>
            <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Rem optio distinctio voluptatum eos nihil
                molestias eum temporibus voluptatem veniam! Facilis impedit error dolorem illo consequuntur iusto et
                perspiciatis qui rem.</p>

        </nav>

        <!-- 中 -->
        <main>


            <article>

                <header style="color: black; background: rebeccapurple;"> header</header>

                <p style="color: azure;">Lorem ipsum dolor sit amet consectetur adipisicing elit. Dolore itaque quis
                    nemo aperiam voluptate minima expedita, corrupti adipisci veritatis distinctio eveniet tempore
                    aspernatur voluptas ut architecto amet nulla alias facilis.</p>

                <footer style="color: black; background: rebeccapurple;">footer</footer>
            </article>

        </main>

        <!-- 右 -->
        <aside>

            <figure> aside</figure>
            <p style="font-size: 10px; color: white;">Lorem ipsum dolor sit amet consectetur adipisicing elit. Dolor
                iusto molestias officia assumenda dolorum veniam ipsa, nemo ex accusantium minus tenetur, maiores
                expedita pariatur ratione. Tempora eum autem ab? Accusantium.</p>

        </aside>

    </section>

    <footer>footer</footer>

</body>

</html>